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Memory-related Symptom
Symptom / Error
Memory count (size) appears different from
actual size.
Audio-related Symptoms
Symptom / Error
In Windows multimedia programs, no
sound comes from the computer.
Internal speakers emit noise or emit no
sound.
Power Management-related Symptoms
Symptom / Error
The system will not enter hibernation mode. Check the system hibernation settings. Press the
The system will not enter hibernation mode
and emits four short beeps every minute.
The system does not enter standby mode
after closing the notebook lid.
The system will not leave hibernation
mode.
The system doesn't resume from standby
mode after opening the LCD.
Battery fuel gauge in Windows doesn't go
higher than 90%.
System hangs intermittently.
76
Action in Sequence
Run the Setup Utility, then press F9 to load the system
defaults.
DIMM
System board
Action in Sequence
Audio driver
Speaker
System board
Speaker
System board
Action in Sequence
then select ePower Management from the Empowering
Technology interface.
Keyboard (if control is from the keyboard)
Hard disk drive
System board
o
Press Fn+
and see if the computer enters hibernation
mode.
Check the system hibernation settings. Press the
then select ePower Management from the Empowering
Technology interface.
Touchpad
Keyboard
Hard disk drive
System board
Check the system hibernation settings. Press the
then select ePower Management from the Empowering
Technology interface.
System board
Hard disk drive
System board
System board
Remove the battery pack and let it cool for two hours.
Refresh the battery pack (continue battery usage until power
is depleted, then recharge the battery).
Battery pack
System board
Reinstall the system drives (HDD/ODD).
System board
key,
key,
key,
Chapter 1
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